Update git submodules
* Update docs/submodules/sdc.git from branch 'master'
to
c9c7f88f77c9cab341485c27e1e67f6294a0b1c2
- Work around potential NullPointerExceptions in `ToscaOperationFacade`
- Add tests in `getToscaElementByOperation` and `updateToscaElement` for null values
- rewrite `getLatestCertifiedByToscaResourceName` in a more functional way
- Rewrite some other usages of Either in a more functional way
Issue-ID: SDC-2922
Signed-off-by: Chris Andre <chris.andre@yoppworks.com>
Change-Id: I52b294ec91faf9e1054af572dcca4060e62fe571